/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlets;

import beans.Book;

import database.DBAccess;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.catalina.Session;

/**
 *
 */
@WebServlet(name = "BookShopServlet", urlPatterns = {"/BookShopServlet"})
public class BookShopServlet extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        String filter = request.getParameter("searchtyp");
        String text = request.getParameter("searchBox");
        String sortType = request.getParameter("sortType");
        try {
            DBAccess dbaccess = DBAccess.getInstance();

            try {

               
                long  start=System.currentTimeMillis();
                ArrayList<Book> filtered = null;

                if (filter != null && text != null) {
                    System.out.println(filter);
                    filtered=dbaccess.getBooksbySearch(text, filter , sortType);
                } else {
                    // System.out.println("else");
                   
                   // filtered = dbaccess.getBooks();
                }


                
                
                long  end=System.currentTimeMillis();
                long diff=end-start;

                if (text == null) {
                    text = "";
                }
                 
                if (filtered != null) {
                    out.println("<p class=\"resultCount\">Ihre Suche nach \"" + text + "\" ergab " + filtered.size() + " Treffer in "+diff+" Millisekunden:</p></br>");
                }

                //Tabellenüberschrift
                out.println("<center><table class='resulttable' width='670px' ");
                out.println("<tbody>");
                HttpSession session = request.getSession(true);
                 ArrayList<String> basket = (ArrayList<String>) session.getAttribute("basket");
                String button = "";
                for (Book b : filtered) {


                    if (basket!=null&&basket.contains(b.getIsbn().toString().trim())) {
                        button = "<input type=\"button\" name=\"isbn\" id=\"" + b.getIsbn() + "\" value=\"In basket\" disabled=\"true\" onclick=\"addtoBasket(this.id)\"/>";

                    } else {
                        button = "<input type=\"button\" name=\"isbn\" id=\"" + b.getIsbn() + "\" value=\"Add\" onclick=\"addtoBasket(this.id)\"/>";
                    }
                    out.println("<tr>");
                    out.println("<td class='tableresults'>"+b.getTitle()+"<br>");
                    out.println("<font class='av'>"+b.getPublisher().trim()+":  "+b.getAuthor()+"</font><br>");
                    out.println("<div align='right'><font class='price'>"+b.getPrice()+" €</font>"+button+"</div></td>");
                    out.println("</tr></center>");
                }
                out.println("</tbody>");
                out.println("</table>");
                out.println("</html>");

            } catch (Exception ex) {
                Logger.getLogger(DBAccess.class.getName()).log(Level.SEVERE, null, ex);
            }
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(BookShopServlet.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
